Radial truck.



v Patened July 2,

l @QWH EL @Wgr- G. R. HENDERSON.

RADIAL TRUCK.

D? APPLICATION FILED JUNE 17, 1913.

G. R. HENDERSON. RADIAL TRUCK.

APPLICATION FILED .mlm 17, 191s EL. 1 @4.667. Pai-,mm .muy 2L 19M.

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G. R. Hmmm-som.

RADIAL TRUCK.

APPLIoATIoN FILED JUNE .17, 1913 mem@ my@ 19ML.

Il SHEETS-SHEET 4.'

esonera. n. HENDERSON, or PHILADELPHIA,

enunsrtvama, Assioma To THE BALDWIN LOCOMOTIVE WORKS, OF PHILADELPHIA,PENNSYLVANIA, A. CORPO- naroirorrnnnsxnvama.

y RADIAL TRUCK.

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Specification of Letterslatent.

`To all whom it 'may concern:

.Vplane as .the axle swings mounted, will have .sign the truck so axleis Vmounted Be it known that I, GEORGE R. HENDERSON, a 'citizen of theUnited States, residing in Philadelphia, Pennsylvania, have inventedcertain. Improvements in Radial Trucks, of

which the following is a specilication.

My invention'relates Ato certain improvements in radial trucks of thetype particularly adapted for use as the rear trailing truck of alocomotive, but it will be under- `the invention can'be applied`to thespirit of theinvention'.

@ne object of my invention is to construct a radial truck so that thespring or equalizing bar willnot move out of the vertical laterally inthe frame.

A further object of the invention is to dethat the box in which the pwill` have a lateralmovement, while the carrier, in which the box isConsequently, the equalizing mechanism supported by the carrier willalways .remain in the same vertical plane irrespective of the l lateralmovement ofthe axle.

' side framesof Theseobjects I attain `1n the following ,-lnanner,reference being had to the accompanying drawings, in which Figure 1,--is a plan view of the rear ,end of fa locomotive Aframe illustrating myimproved ra'dial truck g' Fig. 2, is aside view; Fig. 3, isv a sectionalplan view ,on the line o-a, isa sect-ionalview on the line Fig, 5, is aplan view with the' carrier in section; Fig. 6, is aside -view ofa boxand carrier; Fig. 7, is a detached perspective view of the .two bearingdisks; Fig. 8, is a sectional plan view illustrating a modification ofthe inventionin which the boxes areY located between thepwheels;- andFig. -9, is a Fig. 8. l

Referring to Figs. 1 and the locomotive, in the present instance'connected vto v the casting 2 connected,'in turn, to the kextensionframes 3 at the rear ofthe locomotive; Thesel extension frames 'areconnected by a rearcasting 4L of I wheels of the locomotive, .the rearradial truck.

v 5, `5 are the rear driving and 6 is the .axle of The truck, in theanyA suitable type.

a vertical movement.-

side .view of the construction illustrated inl 2, 1,1 are the.

' swing laterally with the truck.

` Formed on in the sectional view,

present instance, consists of a single axle its boxes, and the carriersfor the boxes. 7 are the rear trailer wheels secured to the axle. In thetype of locomotive illustrated in Figs.- 1 and 2, the boxes are locatedout-l side. ofthe wheels, while in the construction shown in Figs. 8'and 9the'boxes are'locat'ed between the Wheels and the' main frame 1 canextend the entire length of the locomotive; whereas, in the constructionillustrated in Fig. 1, the main frame -stops at the casting 2 and theextension frames 3, 3 form a continuation' of the main frame 'but arespaced a greater distance apart. Heretofore, in designing radial. trucksvof this 'general type, itI has been customary l to mount the-equalizingsprings or levers directly on the boxes and to provide means which willallow the 'springs to move laterally with the boxes andthe axle. 'Ihisconstruction is objectionable -`in many instances, because of the costto manufacture and also because means must be provided to allow thesprings or the equalizing bars to In a truck made in accordance with myinvention, the springs do not move out ofthe vertical plane and,consequently`,they can be coupled to the equalizing mechanism by simpledevices. v I

the extension 3 of the main frame are pedestals 8 connected together bythe cap plate 9. Mounted to-move vertically in the pedestals is acarrier '10 made as shown Fig. 3, having a cross member and two verticalmembersl provided with 'Hanges 11 which overlap the pedestals -8. In thecross member is a cavity 12 in which rests the spring 13 in thepresentinstance, which forms the cross bar or lever of the equalizingmechanism. This spring is connected by a link, 14 to the pivot 15 of theframe 3, and is connected byA a link 16 to the equalizing-lever 17pivoted to the frame 2 and connected, in the present instance, to therear terminal of the mainequalizing gear. 'Ihisconstruction isduplicated on the oppositeside of the locomotive.

In each carrier 10 is a recess 18 having its walls 19 and 20 curved' onav radius, as indicated by dotted lines at .'11, Fig. 1; the center, inthe present instance, being some distance in front of the rear drivingwheels of the locomotive- The center, however, may be' Patented July 21,1914.

Application filed J une 17, 1913. Serial No. 774,141.

the ordinary l'20 to vturn they are held otherwise in position.

Q27 of each box 21 are curved on the'same radlal line as theinner Walls19' and 20 of tion, that which'are confined against and only have .avertical movement in the pedestals of the main frame or an extensionthe: two` parts .to the normal and are -located the carriers, so thatthey will freely move 1n aradius in the carrier.

vI preferablylocate two bearing disks 23 and 24 between the uppersurfaceof the box 21 andfthecarrier IOL-These disks are made as shown in Fig.7, having inclined ribs-and vgrooves which interlock and forminclined'bearings vfor the carrier, tending to bring central position.V On theupper surface of -.the box 21 are segmental ribs-.25 confinin 'i .thedisk 23, and

@on thecarrier l0 arefsimilar ribs 26 confinlng the disk 24;jso thatwhile they are .free

lInstead of the -disks-sho'wnin Figs. l to 7 of 'the drawings, rollers 28 `may be located between the top surfaceof the box 21 and the carrier1'0,Figs. Sand 9.l The rollers 'n this instance have teeth which meshwith the teeth onthe racks 29 and 30 on the boxes and carriers,respectively.' In these ii res, oxes. and carriersare slightly modifiedin pedestals 8a; depending from the main framel, which extendsthe fulllength ofzthe locomotive. In this in# stance, anl equalizi-ngbar/l3arests'on' the carriers instead of'a Spring' and this baris nitmoved laterally o'ut'of' thevhorizontal ane. l p Thus it will be seenbythe above construc- I can dispense` with the-radial frame usua lyemployed and can mount the boxes for the, axles so that they. have avradiall movement' laterally in the carriers,

lateral umovement of themain frame, so that the springs orlequa'lizingbars resting on'the'carriers will remain lat all carriermountedin each pedestal so 'as to move vertlcally,

timesin the same horizontal' plane.' A. Y l claim :-v

1. The. combination -in a radial truck, 'of a frame having pede'stalspn'each side; a

'each carrier, having a cross member and two vertical members forming arecess; an independent box mounted' inthe recess of each .the boxes; and

carrier; an `axle mounted 'in abearmg lbetween each boxv\ andthecrossmember ofits carrier.

'in each side frame;

3. The combination o -two side'fi'ames of 'ia locomotive,

'mounted and having' walls corresponding to' the bearing in each box;-anaxle extending into voutside Aof each frame,'each spring 'resting ona' carrier; a .link connectingv each. spring- Aequalizingmecha-lj nism;

Vhaving pedestals' y the pedestals of'each frame; albox'mounted.

V2. Thel Combination 'of an axle; wheels thereon, said' axle 'extendingbeyond the 60 wheels; an' independent b'ox in' which each 'extension'fof the axle-is 'mounted; side frames located-beyondfthewheels-g-pedestals 'a carrier located between `the pedestals of eachside frame; means for preventing the carriers moving laterally,v saidcarriers 'jha-ving curved recesses adapted t0 receive tl 1e. b.oxesabove mentioned; andan equal-izing element resting on each carrier.

704 pedestals projecting from each an independent' .carrier locatedbetween vthe pedestals "ot each si'de yframe,v each carrier .havingarecess .therein;' two independent boxes, one box 'mounted'in' theV 75recess one carrier;` and the -`othei` 'box' inthe recess in' thepothercarrier .side frame;

curves Aofl the Walls of the other carrier; -a 8O `each box;. wheels on'the axles located be- I tween the boxes and between `thefside frames 4'of the' locomotive; aspring'located on the to the' frame at one end;

` and a'link connecting *each spring with said mechanism, 4. Thecombination of two side frames, having pedestals.; acarrier'mountedbetween the pedestals of each. sideframe; a box Imountedin each Icarrier'so asf-to move later- -'a11y;';an aXleadaptedto-theboxes; two disks located between the upper. portion'of each 'l box andthe carrier,yea'ch`disk having-ribs and grooves interlocking With thoseof the 5; The combination of v'two side'lr'fnnes,4v I

; a carrier mounted between 1n each carrier, `the sidewalls of theboxesv and thewalls ofthe carriers being curved; a segmental flange'. onthejuppersurface of leach box and on'each carrier; two disks hav- I ying. interlocking inclined ribs and grooves,

. one disk'being confined against movement, 4

box, andtheother 'disk'conlined tothe carrier; an axle mountother vthanrotary,` to the ed in the boxes; andwheels on the axle.

In testimony whereof,`I have signed my name to this specication, iin theof two 'subscribing 'witnesses'. GEORGE 1R. HENDERSON. Y Witnessesl'f-J.-H.'KoRs'r,

' LoUIsI-I. BENDER.

' presence

